LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Body & Frame >> Ignition Switch/Steering Lock >> Immobilizer System >> Diagnostic Information and Procedures >> DTC P0513: Immobilizer Key Incorrect >> Circuit/System Verification
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit/System Verification

  1. Verify there are no immobilizer DTCs set in the K9 Body Control Module.
    • If no immobilizer DTCs are set in the K9 Body Control Module 
  2. Perform the K9 Body Control Module immobilizer learn using the body control module IMMO Function with Existing Transponder or Remote Key in SPS. Refer to Immobilizer System Component Programming .
  3. Verify the engine starts after the K9 Body Control Module completes the learn procedure.
    • If the engine starts 
  4. All OK.